Predistortion with satellite communications

Hey guys,

im doing a fyp on predistortion,

im just wondering any materials that you guys would recommend?

thanks

http://www.altera.com/literature/cp/gspx/satellite.pdf
http://www.odyseus.nildram.co.uk/Sys.../Sat_Comms.pdf

http://maxwell.uwaterloo.ca/~myu/pub.../03predist.pdf